Side by side

Christopher Ward C1 MoonglowvsGrand Seiko SBGR321

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C1 Moonglow
Christopher WardC1 Moonglow
MSRP $3,050
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

12 of 29 specs differ
Diameter
C1 Moonglow40mm
SBGR32140mm
Power Reserve
C1 Moonglow38h
SBGR32172h
Water Resistance
C1 Moonglow30m
SBGR321100m
MSRP
C1 Moonglow$3,050
SBGR321$5,200

Full specifications

Case

4 specs
Category
Dress
Thickness
12.9mm
13mm
Lug-to-Lug
47.9mm
46.6mm
Water Resistance
30m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220-1
9S65
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
25
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$3,050
$5,200

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C1 Moonglow

The Christopher Ward C1 Moonglow is widely praised for its comfort, wearability at 40.5mm, and impressive lume, with owners calling it gorgeous, unique, and the coolest moonphase for the money. The moonphase complication is noted as constantly rotating, and one owner reports it accurate to within 1 day every 128 years. Some criticism exists regarding the dual moon phase display, where the inactive moon is visible through a translucent cover, and the lume on the date ring is less bright and fades faster than other luminous elements. One owner specifically loves the opaque blue moonphase dial of the LE Celestial Blue variant. Overall, owners and reviewers find the Christopher Ward C1 Moonglow a visually engaging and comfortable watch, particularly for its price point, with its unique dial design and strong lume being significant draws.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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